package com.cb.utils;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidDataSourceFactory;

import java.io.InputStream;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;

public class JdbcUtils {

    private  static DruidDataSource dataSource;

    static {

        try {
            Properties properties=new Properties();
            //读取jdbc.properties属性配置文件
            InputStream inputStream= JdbcUtils.class.getClassLoader().getResourceAsStream("jdbc.properties");
            //从流中加载数据
            properties.load(inputStream);
            //创建数据库连接池
            dataSource= (DruidDataSource) DruidDataSourceFactory.createDataSource(properties);

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static Connection getConnecttion(){
        Connection conn=null;

        try {
            conn=dataSource.getConnection();
        }catch (Exception e){
            e.printStackTrace();
        }



        return conn;
    }
    public static void close(Connection conn){
        if(conn!=null){
            try {
                conn.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}
